From: Yann Collet <cyan@fb.com>
Date: Sat, 1 Jun 2019 00:06:28 +0000 (-0700)
Subject: fixed wrong assert in double_fast
X-Git-Tag: v1.4.1^2~24^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fce4df3ab7be85a8c3bd3ef8e604c329b6864b18;p=thirdparty%2Fzstd.git

fixed wrong assert in double_fast
---

diff --git a/lib/compress/zstd_double_fast.c b/lib/compress/zstd_double_fast.c
index 7bc2e3fa0..3c8e22ba5 100644
--- a/lib/compress/zstd_double_fast.c
+++ b/lib/compress/zstd_double_fast.c
@@ -97,11 +97,14 @@ size_t ZSTD_compressBlock_doubleFast_generic(
                                      dictCParams->chainLog : hBitsS;
     const U32 dictAndPrefixLength  = (U32)(ip - prefixLowest + dictEnd - dictStart);
 
+    DEBUGLOG(5, "ZSTD_compressBlock_doubleFast_generic");
+
     assert(dictMode == ZSTD_noDict || dictMode == ZSTD_dictMatchState);
 
     /* if a dictionary is attached, it must be within window range */
-    if (dictMode == ZSTD_dictMatchState)
-        assert(lowestValid + maxDistance <= endIndex);
+    if (dictMode == ZSTD_dictMatchState) {
+        assert(lowestValid + maxDistance >= endIndex);
+    }
 
     /* init */
     ip += (dictAndPrefixLength == 0);